METHOD AND APPARATUS FOR CONFIGURING TOUCH SENSING PARAMETERS

• US 20130141346A1
• Filed: 05/04/2012
• Published: 06/06/2013
• Est. Priority Date: 12/06/2011
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: OH, Seung Seok
• Application Number:
  US13/464,009
• Publication Number:
  US 20130141346A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0418 for error correction or compensation, e.g. based on parallax, calibration or alignment

Abstract

A method and an apparatus for configuring touch sensing parameters are provided. The method for configuring touch sensing parameters in a mobile terminal includes sensing an environmental condition, extracting values of touch sensing parameters corresponding to the sensed environmental condition, setting the touch sensing parameters to the extracted values of touch sensing parameters, and performing touch sensing according to the set touch sensing parameters. A mobile terminal supporting the method may configure touch sensing parameters so as to enhance sensing of user touch input while preventing influence of a noise signal.

Claims

1. A method for configuring touch sensing parameters in a mobile terminal, the method comprising:

sensing an environmental condition;

extracting values of touch sensing parameters corresponding to the sensed environmental condition;

setting the touch sensing parameters to the extracted values of touch sensing parameters; and

performing touch sensing according to the set touch sensing parameters.

2. The method of claim 1, wherein the sensing of the environmental condition comprises detecting a charger Identification (ID) of a charging device connected to the mobile terminal.

3. The method of claim 2, wherein the detecting of the charger ID of the charging device comprises measuring resistance of a resistor associated with the charger ID.

4. The method of claim 2, wherein the extracting of the values of the touch sensing parameters comprises extracting one or more of a touch sensing threshold value, a touch sensing frequency value, and a touch sensing frame value corresponding to the detected charger ID as touch sensing parameter values.

5. The method of claim 2, wherein the performing of the touch sensing comprises sensing an input signal and determining whether the input signal corresponds to a user input signal.

6. The method of claim 5, wherein the determining of whether the input signal corresponds to the user input signal comprises comparing the input signal to the set touch sensing parameters.

7. The method of claim 1, wherein the sensing of the environmental condition comprises detecting an accessory Identification (ID) of an accessory connected to the mobile terminal.

8. A mobile terminal capable of configuring touch sensing parameters, the mobile terminal comprising:

a storage unit for storing touch sensing parameters classified by an environmental condition;

an environment detection unit for sensing an environmental condition;

a parameter extraction unit for extracting values of touch sensing parameters corresponding to the sensed environmental condition from the storage unit; and

a touch sensing unit for setting the touch sensing parameters to the extracted values of touch sensing parameters, and for performing touch sensing according to the set touch sensing parameters.

9. The mobile terminal of claim 8, wherein the environment detection unit comprises a charger detector that detects a charger Identification (ID) of a charging device connected to the mobile terminal.

10. The mobile terminal of claim 9, wherein the charger detector detects the charger ID of the charging device by measuring resistance of a resistor associated with the charger ID.

11. The mobile terminal of claim 9, wherein the parameter extraction unit extracts one or more of a touch sensing threshold value, a touch sensing frequency value, and a touch sensing frame value corresponding to the detected charger ID as touch sensing parameter values.

12. The mobile terminal of claim 9, wherein the touch sensing unit senses an input signal.

13. The mobile terminal of claim 12, wherein the touch sensing unit determines whether the input signal corresponds to a user input signal.

14. The mobile terminal of claim 13, wherein the touch sensing unit determines whether the input signal corresponds to the user input signal by comparing the input signal to the set touch sensing parameters.

15. A non-transitory computer readable storage medium of a terminal storing a program for configuring touch sensing parameters in a mobile terminal, the program comprising instructions to cause a computer to:

sense an environmental condition;

extract values of touch sensing parameters corresponding to the sensed environmental condition;

set the touch sensing parameters to the extracted values of touch sensing parameters; and

perform touch sensing according to the set touch sensing parameters.